Table 1.
Assay | Method | Equations versus method B | r2 |
---|---|---|---|
Coamatic | A | y = 0.2695x3 − 1.2234x2 + 2.1591x − 0.0379 | 0.9988 |
S2222 FXa | C | y = 3.239x3 − 4.0879x2 + 1.9418x − 0.0724 | 0.9919 |
STA liquid anti Xa | D | y = −0.0583x3 − 0.1207x2 + 1.2159x + 0.0147 | 0.9994 |
Technochrom | E | y = 1.0851x3 − 1.2646x2 + 1.3108x − 0.0331 | 0.9986 |
This method was considered as provisional standard since it exposed the lowest difference sum compared to the mean OD concentration curve averaged from of all methods employed here